Tuesday, April 5, 1927

Friday, April 5, 1918

Sālote succeeds as Queen of Tonga she will remain on the throne until her death in 1965.

Tuesday, April 5, 1898

Annie Oakley promotes the service of women in combat situations with the United States military. On this day, she writes a letter to President McKinley offering the government the services of a company of 50 'lady sharpshooters' who would provide their own arms and ammunition should war break out with Spain.//www.archives.gov/research/recover/exle-02.html The National Archives and Records Administration (NARA). Letter to President William McKinley from Annie Oakley Retrieved January 24, 2008. In the history of women in the military, there are records of female U.S. Revolutionary and Civil War soldiers who enlisted using male pseudonyms, but Oakley's letter represents possibly the earliest political move towards women's rights for combat service in the United States military.

Saturday, April 5, 1862

Wednesday, April 5, 1815

April 12 ndash Mount Tambora in the Dutch East Indies blows its top explosively during an eruption, killing upwards of 92,000 and propelling thousands of tons of aerosols (Sulfide gas compounds) into the upper atmosphere (stratosphere). The high level gases reflect sunlight and cause the widespread cooling (known as a volcanic winter) and heavy rains of 1816, causes snows in June and July in the northern hemisphere, widespread crop failures, and subsequently famine, which is why 1816 is later known as the Year Without a Summer.

Friday, April 5, 1811

April 6 ndash Revolutionary riots occur in Buenos Aires.

Thursday, April 5, 1804

The first recorded meteorite falls in Possil, Scotland (High Possil meteorite).

Thursday, April 5, 1753

Sunday, April 5, 1722

Friday, April 5, 1697

Karl XII becomes king of Sweden upon the death of his father, Karl XI. Karl XII is known as the Swedish Meteor.

Sunday, April 5, 1654

The Treaty of Westminster, ending the First Anglo-Dutch War, is signed.ref name=Cassell's Chronology{{cite book|last=Williams|first=Hywel|title=Cassell's Chronology of World History|location=London|publisher=Weidenfeld Nicolson|year=2005|isbn=0-304-35730-8|page=266}}

Saturday, March 28, 1355 (Julianian calendar)

Charles IV is crowned emperor in Rome.

Saturday, March 29, 1242 (Julianian calendar)

The king Sancho II of Portugal conquers the cities of Tavira, Alvor and Paderne in his continuing effort against the Muslims, known as Reconquista.ref name=picard2000{{cite book|last=Picard|first=Christophe|title=Le Portugal musulman (VIIIe-XIIIe siècle. L'Occident d'al-Andalus sous domination islamique|year=2000|publisher=Maisonneuve Larose|location=Paris|isbn=2-7068-1398-9|page=110}}

Monday, March 29, 1143 (Julianian calendar)

Tuesday, April 1, 710 (Julianian calendar)

The isolated Byzantine outpost of Cherson in the Crimea rebels with Khazar assistance, against Justinian II. The emperor sends a fleet under the "patrikios" Stephen, which retakes the city and restores imperial control. The fleet however is struck by a storm on its way back and loses many ships, while the Chersonites, again with the aid of the Khazars, rebel anew.{{citation | title = A History of the Byzantine State and Society | last = Treadgold | first = Warren T. | year = 1997 | publisher = Stanford University Press | location = Stanford, CA | isbn = 0-8047-2630-2 | url = //books.google.com/books?id=nYbnr5XVbzUC | page=341}}

During the Cold Food Festival, Chinese Emperor Zhongzong of Tang has his chief ministers of court, sons-in-law, and high-ranking military officers engage in the festive game of tug of war within a palace of Chang'an City. The Emperor purportedly laughs when two older ministers fall over during the game.

A Muslim army is invited into Ceuta by its governor, Count Julian, who, being an opponent of Roderick, encourages them to invade the Iberian peninsula.